HALJIA 3PCS 20A Range Current Sensor Module ACS712 Module ACS712T Compatible with Arduino

Features： 1, The current sensor chips: ACS712ELC-20A;2, pin 5V power supply, on-board power indicator; 3, the module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A; 4, no test current through the output voltage is VCC / 2; 5, PCB board size: 31 (mm) x13 (mm); Note: ACS712 is based on the principle of the Hall test, please use this field to avoid impact. Packing List:3 x HALJIA 20A Range Current Sensor Module